When a young boy discovers the body of a woman beneath a thick sheet of ice in a South London park, Detective Erika Foster is called in to lead the murder investigation. The victim, a beautiful young socialite, appeared to have the perfect life. Yet when Erika begins to dig deeper, she starts to connect the dots between the murder and the killings of three prostitutes, all found strangled, hands bound, and dumped in water around London.

When a woman's body is discovered in a cathedral and hours later a young man is found hanging from a tree outside his home, Detective Lottie Parker is called in to lead the investigation. Both bodies have the same distinctive tattoo clumsily inscribed on their legs. It's clear the pair are connected, but how? The trail leads Lottie to St Angela's, a former children's home, with a dark connection to her own family history. Suddenly the case just got personal.

Every morning and evening, Zoe Walker takes the same route to the train station, waits at a certain place on the platform, finds her favorite spot in the car, never suspecting that someone is watching her. It all starts with a classified ad. During her commute home one night, while glancing through her local paper, Zoe sees her own face staring back at her - a grainy photo along with a phone number and a listing for a website called FindTheOne.com.

Time's up. You're Next. "All he had to do was name the woman he wanted. It was that easy. They would do all the hard work. "Detective Sergeant Mark 'Heck' Heckenburg is investigating the disappearance of 38 different women. Each one was happy and successful until they vanished without a trace. Desperate to find her missing sister, Lauren Wraxford seeks out Heck's help.

A violent rapist is attacking women, leaving them for dead on south London streets. When young policewoman Maeve Kerrigan responds to a domestic disturbance, she's horrified to stumble across the latest victim. But as a new recruit - and a female to boot - she'll have to face down not only her own nerves but rampant sexism from her colleagues if she wants to be taken seriously enough to even assist on the case.

Dr Cat Lupo aches for another child despite the psychosis which marked her first pregnancy. So when Ruby Winter, a small girl in need of help, arrives in the middle of the night, it seems like fate. But as the events behind Ruby's arrival emerge - her mother's death, her connection to Cat - Cat questions whether her decision to help Ruby has put her own daughter at risk.

In a town full of liars, who can you trust? When Detective Finnegan Beck is demoted from his high-powered job in Dublin and relocated in disgrace to the small Irish town of Cross Beg, he predicts boredom will be his biggest threat. But then a beautiful local teenage girl is found strangled in the cold, dark woods a mile from town. The prime suspect is the seemingly gentle drifter who found Tanya’s body. Beck seems to be the only person who can’t escape the feeling that Tanya wasn’t killed at random.

Infiltrating the inner circle of enigmatic criminal Zain Carver is dangerous enough. Pulling it off while also rescuing Isabelle Rossiter, a runaway politician's daughter, from Zain's influence? Impossible. That's why Aidan Waits is the perfect man for the job. Disgraced, emotionally damaged, and despised by his superiors. In other words, completely expendable. But Aidan is a born survivor. And as he works his way deep into Zain's shadowy world, he finds that nothing is as it seems. Zain is a mesmerizing, Gatsby-esque figure who lures young women into his orbit - women who have a bad habit of turning up dead.

When his longtime nemesis, the amphetamine-juiced killer known as "Upper" North, is spotted in England, Detective Chief Inspector Brock is on the trail. His manhunt centers on Silvermeadow, a huge and glittery new shopping mall on the outskirts of London, where North was seen. Lying in wait, he and Kathy Kolla take on a seemingly unrelated case as camouflage, that of a missing girl who had worked in the mall. But what to make of the rumor of other girls gone missing?

This is a fact: Ryan Summers walked into Three Rivers College and killed 13 women, then himself. But no one can say why. The question is one that cries out to be answered - by Ryan's mother, Moira; by Ishbel, the mother of Abigail, the first victim; and by DI Helen Birch, put in charge of the case on her first day at her new job. But as the tabloids and the media swarm, as the families' secrets come out, as the world searches for someone to blame...the truth seems to vanish.

There's a serial killer targeting the streets of Newcastle, seemingly picking his victims at random but subjecting them all to the same torturous end. When the Chief Inspector on the case goes missing, it falls on DCI Ryan to track down the man who is brutally murdering women and goading the police to 'catch me if you can'. As everyone becomes a suspect, Ryan and his team get drawn further and further into the case, but for Ryan the nightmare gets closer to home than he could ever have imagined.

Florence Lovelady's career was made when she convicted coffin-maker Larry Grassbrook of a series of child murders 30 years ago in a small village in Lancashire. Like something out of a nightmare, the victims were buried alive. Florence was able to solve the mystery and get a confession out of Larry before more children were murdered, and he spent the rest of his life in prison. But now, decades later, he's dead, and events from the past start to repeat themselves. When her own son goes missing under similar circumstances, the case not only gets reopened...it gets personal.

A killer is on the loose, blurring the line between fact and fiction. His prey - the writers of crime novels who have turned psychological profilers into the heroes of the nineties. But this killer is like no other. His bloodlust shatters all the conventional wisdom surrounding the motives and mechanics of how serial killers operate. And for one woman, the desperate hunt to uncover his identity becomes a matter of life and death.

When lawyer Jenny Cooper is appointed Severn Vale District Coroner, she's hoping for a quiet life and space to recover from a traumatic divorce, but the office she inherits from the recently deceased Harry Marshall contains neglected files hiding dark secrets and a trail of buried evidence. Could the tragic death in custody of a young boy be linked to the apparent suicide of a teenage prostitute and the fate of Marshall himself?

The death of Tom Bettany's estranged 26-year-old son brings him back to London. His return sparks the interest of everyone from mobsters to MI5 officers - he may have thought he left his old life as a spy behind, but nobody just walks away. Tom Bettany is working at a meat processing plant in France when he gets the voicemail from an English woman he doesn't know telling him that his estranged 26-year-old son is dead. Liam was smoking dope on his London balcony when he fell....